Endace Honored Among Top Products at 5th Annual Security Summit

Auckland, New Zealand, and Chantilly, VA June 18, 2008 - Endace Limited (LSE/AIM: EDA), a world leader in
network monitoring solutions, today announced that an international panel of judges selected the company’s
NinjaBox-Z series 2000 server as Runner Up in the 5th annual “Most Innovative Security Products and Services”
competition hosted at The Security Summit in San Diego, CA.

Chosen from more than 30 competing technologies for its innovation, direct applicability to current market needs
and dual-use capabilities in the private and government sectors, the NinjaBox-Z enables multiple network
monitoring applications to run in parallel. Each NinjaBox-Z platform is preconfigured with Endace Data
Acquisition and Generation (DAG®) interface cards running on an optimized, multi-core Linux server. Traffic is
load-balanced across the x86 CPUs, allowing NinjaBox-Z to analyze every packet in real-time on highly utilized
links up to 10 Gbps.

“We showed the judges a Snort Network Intrusion Detection System (NIDS) with a full untuned ruleset that runs at
multi gigabit speeds without a single dropped packet,” said Stephen Gleave, VP Marketing at Endace. “While
acting as a single sensor, our load-balancing techniques spread the traffic across eight separate instances of
Snort. Each CPU core was operating at only around twenty percent utilization.”

Gleave added that Snort and NTOP (network traffic probe) can run simultaneously on the same NinjaBox-Z and
still analyze every packet. “This impressed the judges because it demonstrates that businesses can reduce costs
by using open-source monitoring and analysis applications running on fewer servers.”

“The Endace NinjaBox-Z series stood out as a technology effectively addressing a current need in the market to
enhance regional and international security,” said Michael B. Jones, President of The Security Network. “The
innovation and multi-use applicability was very impressive among the technologies featured at this year’s
competition.”

(Ends)

Endace Limited
Joni Moore, PR Counsel (US) +1 508 308 7900
David Evans, PR Counsel (Europe) +44 (0)1291 626200
Steve Gleave, VP Marketing +1 408 556 9922

Bankside
Steve Liebmann or Simon Bloomfield (UK) +44 (0)20-7367-8888 / +44 (0)7802-888159

Panmure Gordon
Edward Farmer+44 (0) 20-7459-3600

Snort® is an open source network intrusion prevention and detection system which combines the benefits of
signature, protocol and anomaly based inspection methods. Snort® is a registered trademark of Sourcefire, Inc.
Product and company names used are used for identification purposes only and such use does not imply any
agreement between Endace and any named company, or any sponsorship or endorsement by any named
company.

About Endace
For organisations that rely on their IP networks to do business, Endace provides traffic monitoring, latency
measurement, network security and application acceleration solutions that capture, inspect and report on every
single data packet. We enable our customers to be confident in their service performance, information security,
and regulatory compliance. Based in Auckland, New Zealand, Endace also has offices in the UK, USA and
Singapore. Quoted on AIM, the stock code is LSE: EDA. For further information: http://www.endace.com
Endace, the Endace logo, DAG and NinjaProbe are trademarks or registered trademarks in New Zealand or other
countries of Endace Technology Limited. All other trademarks may be the property of their respective holders.